32-31 NORMAL EXTENSION AND RETRACTION

32-31-00 NORMAL EXTENSION AND RETRACTION

PB.001 NORMAL EXTENSION AND RETRACTION - DESCRIPTION AND OPERATION
PB.401 NORMAL EXTENSION AND RETRACTION - DEACTIVATION/REACTIVATION
- 32-31-00-040-804-A [10]
  Deactivation of LGCIU-2
- 32-31-00-440-804-A [10]
  Reactivation of LGCIU-2
- 32-31-00-040-003-A [10]
  Check of the System 2 Proximity Sensors of the Landing Gear and the Landing Gear Doors
- 32-31-00-040-802-A [10]
  Deactivation of the Landing Gear Gravity-Extension System
- 32-31-00-440-802-A [10]
  Reactivation of the Landing Gear Gravity-Extension System
- 32-31-00-040-803-A [10]
  Deactivation of the Landing Gear Retracting System
- 32-31-00-440-803-A [10]
  Reactivation of the Landing Gear Retracting System
PB.501 NORMAL EXTENSION AND RETRACTION - ADJUSTMENT/TEST
- 32-31-00-700-002-A [10]
  Simulation of Landing Gear Connected
- 32-31-00-710-001-A [10]
  Operational Check of Retraction Inhibition Baulk
- 32-31-00-710-005-A [10]
  Operational Check to Ensure Safety Valve Closes at 260 Knots
- 32-31-00-710-005-A-01 [10]
  Operational Check to Ensure Safety Valve Closes at 260 Knots
- 32-31-00-710-005-A-02 [10]
  Operational Check to Ensure Safety Valve Closes at 260 Knots
- 32-31-00-710-013-A [10]
  Operational Check of the Safety Valve that uses the APU
- 32-31-00-710-013-A-01 [10]
  Operational Check of the Safety Valve that uses the Aircraft Batteries
- 32-31-00-710-013-A-02 [10]
  Operational Check of the Safety Valve that uses the GND PWR Contactor Override Box
- 32-31-00-720-002-A [10]
  Functional Test of the Normal Extension and Retraction of the Landing Gear
- 32-31-00-710-002-A [10]
  Operational Test of the Landing Gear Doors (With False Targets)
- 32-31-00-710-002-A-01 [10]
  Operational Test of the Landing Gear Doors (Without False Targets)
- 32-31-00-720-803-A [10]
  Functional Check of the MLG Door Actuating Cylinder
- 32-31-00-720-804-A [10]
  Functional Check of the NLG Door Actuating-Cylinder
- 32-31-00-720-003-A [10]
  Functional Test of the Normal Extension and Retraction of the Nose Landing Gear
- 32-31-00-790-001-A [10]
  Leak Test of the Landing Gear Actuators with the A/C Weight on the Wheels
- 32-31-00-720-005-A [10]
  Functional Test of the Solenoid of the Landing-Gear Safety Valve
- 32-31-00-820-003-A [10]
  Adjustment of the MLG Uplock
- 32-31-00-820-004-A [10]
  MLG Clearance Check
- 32-31-00-720-007-A [10]
  Functional Test of the MLG Lockstay Actuating Cylinder with Brace Tool Installed
- 32-31-00-710-012-A [10]
  Operational Check of Landing Gear Selector Valve with Aircraft on Ground
- 32-31-00-720-008-A [10]
  Functional Check of LGCIU Power Supply Relays
PB.601 NORMAL EXTENSION AND RETRACTION - INSPECTION/CHECK
- 32-31-00-200-001-A [10]
  Detailed Inspection of Gear Uplock and Door Uplock Units and Rollers
- 32-31-00-210-002-A [10]
  General Visual Inspection of L/G Extension/Retraction System Components
- 32-31-00-220-002-A [10]
  Remove Main Landing Gear Retraction Actuator and Pins for Special Detailed Inspection in Shop

32-31-11 LEVER - LANDING GEAR NORMAL CONTROL

PB.401 LEVER - LANDING GEAR NORMAL CONTROL - REMOVAL/INSTALLATION
- 32-31-11-000-001-A [10]
  Removal of the Landing Gear Normal Control lever
- 32-31-11-400-001-A [10]
  Installation of the Landing Gear Normal Control Lever

32-31-12 SELECTOR VALVE - L/G

PB.401 SELECTOR VALVE - L/G - REMOVAL/INSTALLATION
- 32-31-12-000-001-A [10]
  Removal of the Landing-Gear (L/G) Selector Valve
- 32-31-12-400-001-A [10]
  Installation of the Landing-Gear (L/G) Selector Valve

32-31-13 BYPASS VALVE - MLG DOOR GROUND OPENING

PB.401 BYPASS VALVE - MLG DOOR GROUND OPENING - REMOVAL/INSTALLATION
- 32-31-13-000-001-A [10]
  Removal of the MLG Door Ground-Opening Bypass-Valve
- 32-31-13-400-001-A [10]
  Installation of the MLG Door Ground-Opening Bypass-Valve
- 32-31-13-960-801-A [10]
  Replacement of the MLG Door Ground-Opening Bypass-Valve Cap Screws

32-31-14 UPLOCK ASSY - NLG DOOR

PB.401 UPLOCK ASSY - NLG DOOR - REMOVAL/INSTALLATION
- 32-31-14-000-001-A [10]
  Removal of the NLG Door Uplock Assy
- 32-31-14-400-001-A [10]
  Installation of the NLG Door Uplock Assy
- 32-31-14-000-002-A [10]
  Removal of the Actuator of the NLG Door Uplock Assy
- 32-31-14-400-002-A [10]
  Installation of the Actuator of the NLG Door Uplock Assy

32-31-15 BYPASS VALVE - NLG DOOR GROUND OPENING

PB.401 BYPASS VALVE - NLG DOOR GROUND OPENING - REMOVAL/INSTALLATION
- 32-31-15-000-001-A [10]
  Removal of the NLG Door Ground Opening Bypass Valve
- 32-31-15-400-001-A [10]
  Installation of the NLG Door Ground Opening Bypass Valve
- 32-31-15-960-801-A [10]
  Replacement of the Cap Screws of the NLG-Door Ground-Opening Bypass-Valve

32-31-16 ACTUATING CYLINDER - NLG DOOR

PB.401 ACTUATING CYLINDER - NLG DOOR - REMOVAL/INSTALLATION
- 32-31-16-000-001-A [10]
  Removal of the NLG Door Actuating Cylinder
- 32-31-16-400-001-A [10]
  Installation of the NLG Door Actuating Cylinder

32-31-17 SAFETY VALVE - LANDING GEAR

PB.401 SAFETY VALVE - LANDING GEAR - REMOVAL/INSTALLATION
- 32-31-17-000-001-A [10]
  Removal of the Landing Gear Safety-Valve
- 32-31-17-400-001-A [10]
  Installation of the Landing Gear Safety-Valve
- 32-31-17-000-802-A [10]
  Removal of the Manifold Assembly
- 32-31-17-400-802-A [10]
  Installation of the Manifold Assembly

32-31-18 MECHANICAL SUPPORT ASSY-NLG DOOR UPLOCK

PB.401 MECHANICAL SUPPORT ASSY-NLG DOOR UPLOCK - REMOVAL/INSTALLATION
- 32-31-18-000-801-A [10]
  Removal of the Mechanical Support Assy of the NLG Door Uplock
- 32-31-18-400-801-A [10]
  Installation of the Mechanical Support Assy of the NLG Door Uplock

32-31-19 SAFETY VALVE - NLG DOOR CLOSING/ OPENING

PB.301 SAFETY VALVE - NLG DOOR CLOSING/ OPENING - SERVICING
- 32-31-19-600-001-A [10]
  Put the Safety Valve back to the Usual Position after Operation
PB.401 SAFETY VALVE - NLG DOOR CLOSING/ OPENING - REMOVAL/INSTALLATION
- 32-31-19-000-001-A [10]
  Removal of the Safety Valves
- 32-31-19-400-001-A [10]
  Installation of the Safety Valves
- 32-31-19-000-802-A [10]
  Removal of the Safety Valve Manifold Assembly
- 32-31-19-400-802-A [10]
  Installation of the Safety Valve Manifold Assembly

32-31-21 UPLOCK ASSY - NLG

PB.401 UPLOCK ASSY - NLG - REMOVAL/INSTALLATION
- 32-31-21-000-001-A [10]
  Removal of the NLG Uplock Assy
- 32-31-21-400-001-A [10]
  Installation of the NLG Uplock Assy
- 32-31-21-000-002-A [10]
  Removal of the Actuator of the NLG Uplock Assy
- 32-31-21-400-002-A [10]
  Installation of the Actuator of the NLG Uplock Assy

32-31-22 ACTUATING CYLINDER - NLG

PB.401 ACTUATING CYLINDER - NLG - REMOVAL/INSTALLATION
- 32-31-22-920-001-A [10]
  Remove NLG Actuating Cylinder and Airframe Attachment Pin and Sleeve for Special Detailed Inspection in Shop
- 32-31-22-000-001-A [10]
  Removal of the NLG Actuating Cylinder
- 32-31-22-400-001-A [10]
  Installation of the NLG Actuating Cylinder
- 32-31-22-000-802-A [10]
  Removal of the Nose Landing Gear (NLG) Actuating-Cylinder Upper-Link
- 32-31-22-400-802-A [10]
  Installation of the Nose Landing Gear (NLG) Actuating-Cylinder Upper-Link

32-31-23 ACTUATOR - DOWNLOCK RELEASE-NLG

PB.401 ACTUATOR - DOWNLOCK RELEASE-NLG - REMOVAL/INSTALLATION
- 32-31-23-000-001-A [10]
  Removal of the NLG Downlock Release Actuator
- 32-31-23-400-001-A [10]
  Installation of the NLG Downlock Release Actuator

32-31-31 MANIFOLD AND VALVES ASSEMBLY - L/G AND DOOR SELECTOR VALVES

PB.401 MANIFOLD AND VALVES ASSEMBLY - L/G AND DOOR SELECTOR VALVES - REMOVAL/INSTALLATION
- 32-31-31-000-001-A [10]
  Removal of the Selector-Valve Manifold Assembly
- 32-31-31-400-001-A [10]
  Installation of the Selector-Valve Manifold Assembly

32-31-32 MANIFOLD ASSEMBLY - L/G AND DOOR SELECTOR VALVES

PB.401 MANIFOLD ASSEMBLY - L/G AND DOOR SELECTOR VALVES - REMOVAL/INSTALLATION
- 32-31-32-000-001-A [10]
  Removal of the Manifold Assembly
- 32-31-32-400-001-A [10]
  Installation of the Manifold Assembly

32-31-33 UPLOCK ASSY - MLG DOOR

PB.401 UPLOCK ASSY - MLG DOOR - REMOVAL/INSTALLATION
- 32-31-33-000-001-A [10]
  Removal of the MLG Door Uplock
- 32-31-33-400-002-A [10]
  Installation of the MLG Door Uplock

32-31-34 SELECTOR VALVE - L/G DOOR

PB.401 SELECTOR VALVE - L/G DOOR - REMOVAL/INSTALLATION
- 32-31-34-000-001-A [10]
  Removal of the Landing-Gear (L/G) Door Selector Valve
- 32-31-34-400-001-A [10]
  Installation of the Landing-Gear (L/G) Door Selector Valve

32-31-35 ACTUATING CYLINDER - MLG DOOR

PB.401 ACTUATING CYLINDER - MLG DOOR - REMOVAL/INSTALLATION
- 32-31-35-000-001-A [10]
  Removal of the MLG Door Actuating-Cylinder
- 32-31-35-400-001-A [10]
  Installation of the MLG Door Actuating-Cylinder

32-31-36 CHECK VALVE - MLG

PB.401 CHECK VALVE - MLG - REMOVAL/INSTALLATION
- 32-31-36-000-001-A [10]
  Removal of the MLG Check Valves
- 32-31-36-400-001-A [10]
  Installation of the MLG Check Valves
- 32-31-36-000-802-A [10]
  Removal of the Manifold Assembly
- 32-31-36-400-802-A [10]
  Installation of the Manifold Assembly

32-31-37 CHECK VALVE - RETURN ISOLATION

PB.401 CHECK VALVE - RETURN ISOLATION - REMOVAL/INSTALLATION
- 32-31-37-000-001-A [10]
  Removal of the Check Valve
- 32-31-37-400-001-A [10]
  Installation of the Check Valve

32-31-38 JOINT ASSY - SWIVEL, MLG DOOR

PB.401 JOINT ASSY - SWIVEL, MLG DOOR - REMOVAL/INSTALLATION
- 32-31-38-000-001-A [10]
  Removal of the MLG Door Swivel-Joint Assembly
- 32-31-38-400-001-A [10]
  Installation of the MLG Door Swivel-Joint Assembly

32-31-39 HOSE ASSEMBLY - FLEXIBLE

PB.401 HOSE ASSEMBLY - FLEXIBLE - REMOVAL/INSTALLATION
- 32-31-39-000-001-A [10]
  Removal of the Flexible Hose Assembly
- 32-31-39-400-001-A [10]
  Installation of the Flexible Hose Assembly

32-31-41 CONTROL ROD - NLG MAIN DOOR

PB.401 CONTROL ROD - NLG MAIN DOOR - REMOVAL/INSTALLATION
- 32-31-41-000-001-A [10]
  Removal of the NLG main door control rod
- 32-31-41-400-001-A [10]
  Installation of the NLG Main-Door Control-Rod

32-31-44 UPLOCK ASSY - MLG

PB.401 UPLOCK ASSY - MLG - REMOVAL/INSTALLATION
- 32-31-44-000-001-A [10]
  Removal of the MLG Uplock Assembly
- 32-31-44-400-001-A [10]
  Installation of the MLG Uplock Assembly
- 32-31-44-000-002-A [10]
  Removal of the MLG Uplock - Support Struts
- 32-31-44-400-002-A [10]
  Installation of the MLG Uplock - Support Struts
- 32-31-44-000-003-A [10]
  Removal of the Uplock Assembly with A/C on Jacks
- 32-31-44-400-003-A [10]
  Installation of the Uplock Assembly with A/C on Jacks
- 32-31-44-000-004-A [10]
  Removal of the MLG Uplock - Support Struts with A/C on Jacks
- 32-31-44-400-004-A [10]
  Installation of the MLG Uplock - Support Struts with A/C on Jacks

32-31-45 ACTUATOR - MLG UPLOCK

PB.401 ACTUATOR - MLG UPLOCK - REMOVAL/INSTALLATION
- 32-31-45-000-001-A [10]
  Removal of the MLG Uplock Actuator
- 32-31-45-400-001-A [10]
  Installation of the MLG Uplock Actuator

32-31-46 ACTUATING CYLINDER - MLG

PB.301 ACTUATING CYLINDER - MLG - SERVICING
- 32-31-46-600-001-A [10]
  Bleeding of the MLG Actuating Cylinder
PB.401 ACTUATING CYLINDER - MLG - REMOVAL/INSTALLATION
- 32-31-46-000-001-A [10]
  Removal of the MLG Actuating Cylinder
- 32-31-46-400-001-A [10]
  Installation of the MLG Actuating Cylinder
- 32-31-46-000-002-A [10]
  Removal of the MLG Actuating Cylinder Eye-End Pin
- 32-31-46-400-002-A [10]
  Installation of the MLG Actuating Cylinder Eye-End Pin
- 32-31-46-000-003-A [10]
  Removal of the MLG Actuating Cylinder Wing-End Pin
- 32-31-46-400-003-A [10]
  Installation of the MLG Actuating Cylinder Wing-End Pin

32-31-47 CHECK VALVE - L/G RETURN ISOLATION

PB.401 CHECK VALVE - L/G RETURN ISOLATION - REMOVAL/INSTALLATION
- 32-31-47-000-001-A [10]
  Removal of the Check Valve
- 32-31-47-400-001-A [10]
  Installation of the Check Valve

32-31-48 RESTRICTOR VALVE - MLG EXTENSION

PB.401 RESTRICTOR VALVE - MLG EXTENSION - REMOVAL/INSTALLATION
- 32-31-48-000-001-A [10]
  Removal of the Restrictor Valve
- 32-31-48-400-001-A [10]
  Installation of the Restrictor Valve

32-31-56 RESTRICTOR VALVE - NLG EXTENSION

PB.401 RESTRICTOR VALVE - NLG EXTENSION - REMOVAL/INSTALLATION
- 32-31-56-000-001-A [10]
  Removal of the NLG Extension Restrictor Valve
- 32-31-56-400-001-A [10]
  Installation of the NLG Extension Restrictor Valve

32-31-57 RESTRICTOR VALVE - NLG DOOR OPENING

PB.401 RESTRICTOR VALVE - NLG DOOR OPENING - REMOVAL/INSTALLATION
- 32-31-57-000-001-A [10]
  Removal of the NLG Door Opening Restrictor Valve
- 32-31-57-400-001-A [10]
  Installation of the NLG Door Opening Restrictor Valve

32-31-58 RESTRICTOR - NLG DOOR CLOSING

PB.401 RESTRICTOR - NLG DOOR CLOSING - REMOVAL/INSTALLATION
- 32-31-58-000-001-A [10]
  Removal of the NLG Door Closing Restrictor
- 32-31-58-400-001-A [10]
  Installation of the NLG Door Closing Restrictor

32-31-71 CONTROL AND INTERFACE UNIT- LANDING GEAR (LGCIU)

PB.401 CONTROL AND INTERFACE UNIT- LANDING GEAR (LGCIU) - REMOVAL/INSTALLATION
- 32-31-71-000-001-A [10]
  Removal of the LGCIU
- 32-31-71-400-001-A [10]
  Installation of the LGCIU

32-31-73 PROXIMITY SENSOR

PB.401 PROXIMITY SENSOR - REMOVAL/INSTALLATION
- 32-31-73-000-001-A [10]
  Removal of the MLG Proximity-Sensors
- 32-31-73-400-001-A [10]
  Installation of the MLG Proximity-Sensors
- 32-31-73-000-005-A [10]
  Removal of the NLG Proximity-Sensors
- 32-31-73-400-005-A [10]
  Installation of the NLG Proximity-Sensors
PB.501 PROXIMITY SENSOR - ADJUSTMENT/TEST
- 32-31-73-820-001-A [10]
  Adjustment of the MLG Downlock Proximity Sensors
- 32-31-73-820-002-A [10]
  Adjustment of the MLG Extension Proximity Sensors
- 32-31-73-820-003-A [10]
  Adjustment of the MLG Door Open Proximity Sensors
- 32-31-73-820-004-A [10]
  Adjustment of the NLG Door Open Proximity Sensors
- 32-31-73-820-005-A [10]
  Adjustment of the NLG Downlock Proximity Sensors
- 32-31-73-820-006-A [10]
  Adjustment of the NLG Extension/Steering Proximity Sensors
- 32-31-73-820-006-A-01 [10]
  Check/Adjustment of the NLG Extension/Steering Proximity Sensors with the Aircraft Weight on Wheels
- 32-31-73-820-008-A [10]
  Inductance Check of the Proximity Sensors/Switches
- 32-31-73-820-009-A [10]
  Resistance Check of the Proximity Sensors
PB.601 PROXIMITY SENSOR - INSPECTION/CHECK
- 32-31-73-200-001-A [10]
  Inspection of the MLG Proximity Sensor and Target Clearances
- 32-31-73-200-002-A [10]
  Inspection of the NLG Proximity Sensor and Target Clearances